snr(dB)

IPNN $l_1-\alpha l_2$

IPNN

IR $l_1-l_2/l_2$

DCA- $l_{1-2}$

ADMM-lasso

35

27.5678

25.5423

16.8824

17.0934

12.2916

20

17.9147

16.6792

5.6427

3.1806

3.0157